NEC DT900 Series User manual

DT900/DT900S Series Phone User Guide
For UNIVERGE 3C Communications
and SIP@Net Platforms

DT900/DT900S Series Phone User Guide
For UNIVERGE 3C Communications
and SIP@Net Platforms
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HTTP://WWW.NEC.COM
PART NUMBER 540-446R0
DT900 SERIES FIRMWARE VERSION 5.0
3C UNIFIED COMMUNICATION SYSTEM V9.2.1

iv P/N 540-446r0 DT900/DT900S Series Phone User Guide
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NOTICES
Copyright © 2008-2019 NEC Corporation. All rights reserved.
NEC Corporation (“NEC”) is continually upgrading and developing the products
described in this publication. The information contained herein is subject to change
without notice. Written permission is required prior to reproduction of any of the work
covered here by copyright.
For warranty information, see the License Agreement included with the software.
NEC, the NEC logo, UNIVERGE, and UNIVERGE 3C (hereinafter referred to as the
“3C”) are trademarks or registered trademarks of NEC Corporation.
Spreed, struktur, and icoya are registered trademarks of Struktur AG.
AudioCodes, AC, HD VoIP, HD VoIP Sounds Better, IPmedia, Mediant, MediaPack,
OSN, SmartTAP, VMAS, VoIPerfect, VoIPerfectHD, Your Gateway To VoIP and 3GX
are trademarks or registered trademarks of AudioCodes Limited.
Windows, Microsoft, Outlook, and Exchange are trademarks or registered trademarks
of Microsoft Corporation in the United States and other countries.
Other products mentioned in this document are the property of their respective
owners and are also subject to copyright, trademark, and intellectual property
protection as applicable by law.
NEC Enterprise Communication Technologies, Inc., is a wholly owned subsidiary of
NEC Corporation, Japan. All Rights Reserved.
UNIVERGE 3C documentation and UNIVERGE 3C System Requirements apply to
the standard installation, configuration, administration and maintenance of the 3C
system except where superseded by instructions in DoD Certified Session Controller
(DoD SC) environments. Certification by the Joint Interoperability Test Command
(JITC) for the US Department of Defense (DoD) and LSC (Local Session Controller)
certification requires the installation and configuration of additional 3C system
security and operational features using the Required Installation Checklist included in
the Unified Capabilities Session Controller Deployment Guide. If a system is rebuilt or
upgraded for any reason, the system must again be modified to meet the
configuration settings as documented in the Required Installation Checklist.
U.S. Patent Numbers 5,892,764 and 6,735,208 and related Foreign Patents.
Australian Patent Number WO07/095418.
Other U.S. and Foreign Patents Pending.

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DT900/DT900S Series Phone User Guide P/N 540-446r0 v
DOCUMENT REVISION HISTORY
540-446r0 August 2019 Initial release, NEC Std SIP 5.0 for DT900 Series

vi P/N 540-446r0 DT900/DT900S Series Phone User Guide
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DOCUMENT FEEDBACK
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document, please contact your NEC Technical Assistance Center(s).
Please use the local regional contact information listed above for contact information.
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DOCUMENT INFORMATION
Document Name and Product Number:
________________________________________________________
System Release Version:
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REGIONAL CONTACTS
NEC HEADQUARTERS & ASIA OPERATIONS
NEC Corporation
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Website: www.nec.co.jp/
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Website: www.nec-enterprise.com
Postal Address
NEC Nederland BV
P.O. BOX 32, 1200 JD Hilversum

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DT900/DT900S Series Phone User Guide P/N 540-446r0 vii
The Netherlands
NORTH AMERICA
NEC Corporation of America
3929 W John Carpenter Fwy
Irving, TX 75063-2909
Telephone: [phone] (800-2400-NEC)
Fax: [phone]
Authorized Associates and Resellers:
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Website: www.necam.com
WORLDWIDE OFFICES
For the latest information on offices in your area, visit www.nec.com and select your
area.

viii P/N 540-446r0 DT900/DT900S Series Phone User Guide

DT900/DT900S Series Phone User Guide i
Contents
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C ONTENTS
Notices ................................................................................................................ iv
Document Revision History .............................................................................. v
Document Feedback ........................................................................................... vi
Document Information ..................................................................................... vi
1 Overview.....................................................................................1-1
Supported Phone Models ..............................................................................1-1
2 Introduction to the DT900 Phones ...........................................2-3
DT900 Series Phones .......................................................................................2-3
Platform Compatibility....................................................................................2-3
Keys and Parts ..............................................................................................2-3
DT Series Phone Specifics ...............................................................................2-4
Speed Dial Key Numbering for ITK-6D Phones.........................................2-4
Presence Monitor Settings and Speed Dial Keys ......................................2-5
To display the Menu List using the Menu Key .........................................2-24
Gigabit Ethernet Licensed Support..............................................................2-27
ITK-8LCX Phone Specifics..............................................................................2-27
Programmable Key Information Display ......................................................2-27
3 Installation................................................................................3-31
Before You Begin ........................................................................................3-31
Adjusting Angle of Tilt Leg...........................................................................3-31
To raise tilt leg..........................................................................................3-31
To lower tilt leg.........................................................................................3-32
Connecting the Phone .................................................................................3-33
To attach the handset ..............................................................................3-33
To connect LAN cable to the phone.........................................................3-34
To access User Settings on the ITK-8TCGX and ITK-32TCGS ..............3-34
To connect a headset (Optional)..............................................................3-35
To connect a computer (Optional) ...........................................................3-35

ii DT900/DT900S Series Phone User Guide
4 Basic Settings/Configuration..................................................4-37
Basic Setup with the Cursor Pad ....................................................................4-38
To adjust the ringing volume....................................................................4-38
To adjust the Soft Ring volume (SIP@Net Platforms) .............................4-38
To adjust the headset ringing volume ......................................................4-38
To adjust the call volume (handset).........................................................4-38
To adjust the call volume (headset).........................................................4-38
To adjust the call volume (speaker) .........................................................4-38
Basic Setup with the Menus and Cursor Pad..................................................4-39
To access User Settings on the ITK-8TCGX and ITK-32TCGS ..............4-39
To select an Internal Ringtone .................................................................4-39
To select an external ringtone..................................................................4-40
To enable an external headset ................................................................4-40
To set external headset ringing (Optional)...............................................4-41
To set the Call Waiting volume ................................................................4-41
To set the Hold Reminder volume ...........................................................4-42
To change the Display Language ............................................................4-42
To set the Date Format ............................................................................4-42
To set the Time Format............................................................................4-43
To adjust the LCD contrast ......................................................................4-43
To change the LCD Backlight Timeout ....................................................4-43
To disable the Screen Saver (8LCX and 8TCGX) ...................................4-44
To change the Screen Saver Waiting Time (8LCX and 8TCGX).............4-44
To Clear User Settings.............................................................................4-44
To Clear Personal Directory.....................................................................4-45
To Clear Call History................................................................................4-46
To restart your phone...............................................................................4-47
To restart your phone on the ITK-32LCGS and ITK-32TCGS .................4-47
To view the phone settings ......................................................................4-48
To view the phone settings on the ITK-32LCGS and ITK-32TCGS.........4-48
To view the firmware information for your phone.....................................4-48
To view firmware information on the ITK-32LCGS and ITK-32TCGS......4-48
To view the IP address of your phone .....................................................4-49
To view the IP address on the ITK-32LCGS and ITK-32TCGS ...............4-49
To view the maximum numbers of calls you can handle
on your phone ..........................................................................................4-50
To view the maximum numbers of calls you can handle
on the ITK-32LCGS and ITK-32TCGS.....................................................4-50
Speed Dial and Personal Directory Character Sets ........................................4-51
5 Security Features.....................................................................5-55
Secure Calls ................................................................................................5-55
Secure Signaling......................................................................................5-56
Secure Media...........................................................................................5-56
Errors and Debugging .................................................................................5-58